WIP: Integration branch with darwin and deck support

- Added darwin and jovian inputs
- Added platform-specific package configurations
- Added darwinConfigurations and deck nixosConfiguration
- Copied darwin and deck specific files
- Fixed darwin version compatibility

Some configurations still need debugging

home/darwin/sketchybar/plugins/sound.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+VOLUME=$(osascript -e "output volume of (get volume settings)")
+MUTED=$(osascript -e "output muted of (get volume settings)")
+
+if [ "$MUTED" != "false" ]; then
+	ICON="󰖁 "
+	VOLUME=0
+else
+	case ${VOLUME} in
+	100) ICON=" " ;;
+	[5-9]*) ICON=" " ;;
+	[0-9]*) ICON=" " ;;
+	*) ICON=" " ;;
+	esac
+fi
+
+sketchybar -m \
+	--set "$NAME" icon=$ICON \
+	--set "$NAME" label="$VOLUME%"